| 
                 
                    Closing price on 3/21/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.30 | 
                 
                
                    | High | 
                    3.40 | 
                 
                
                    | Low | 
                    3.30 | 
                     
                
                    | Volume | 
                    5,000 | 
                                 
                
                    | Split-adjusted Price | 
                    3.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PV2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/21/2019
             | 
            
                +0.10 / +3.03%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.36
             |                     
            
                3.40
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2019
             | 
            
                -0.10 / -2.94%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.33
             |                     
            
                3.40
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2019
             | 
            
                +0.10 / +3.03%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2019
             | 
            
                +0.10 / +3.13%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.29
             |                     
            
                3.30
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2019
             | 
            
                +0.10 / +3.23%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.20
             | 
            
                3.19
             |                     
            
                3.20
             |                                 
            
                140,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2019
             | 
            
                -0.10 / -3.13%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2019
             | 
            
                +0.10 / +3.23%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                100,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                100,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.16
             |                     
            
                3.10
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |